Tamarly Intelligence
Company · CSTL (NASDAQ - All Markets)

Castle Biosciences Inc

Services-Medical Laboratories

Key figures
Industry
Services-Medical Laboratories (SIC 8071)
Institutional holders
176 at 30 Jun 2026 (186 the quarter before) · Who holds it
SEC number
1447362

Source: SEC EDGAR filings and company facts, SEC Form 13F; checked 1 Oct 2026

Questions and answers

Where is Castle Biosciences Inc listed?
Castle Biosciences Inc trades as CSTL on NASDAQ - All Markets. Tamarly shows no share prices.
How many institutions hold Castle Biosciences Inc?
176 institutional holders reported it on SEC Form 13F for the period ended 30 Jun 2026, against 186 the quarter before.
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